Commit 14096886 authored by Parminder Singh's avatar Parminder Singh

Enable PTRS with command line in ULSIM

- To enable PTRS use -T flag followed by 3 integers
- Example: ./nr_ulsim -T 2 0 2
- 1st Value is the list of arguments -> e.g. 2
- 2nd Value is for L_PTRS{0,1,2}     -> e.g. 0
- 3rd Value is for K_PTRS{2,4}       -> e.g. 2
parent ec0aea23
develop 1 128-ues 256_QAM_demod NR-PHY-MAC-IF-multi-UE NRUE_usedlschparallel NR_10MHz NR_CSI_reporting NR_DLUL_PF NR_DLUL_PF_4UL NR_DLUL_PF_rebased NR_DL_MIMO NR_DL_sched_fixes NR_DL_scheduler NR_FAPI_beamindex_SSB_RO NR_FDD_FIX NR_FR2_RA NR_FR2_RRC_SSB NR_MAC_Multi_Rach_GlobalEdge NR_MAC_SSB_RO_GlobalEdge NR_MAC_SSB_RO_UE_IDCC NR_MAC_SSB_RO_merge NR_MAC_TCI_UCI_GlobalEdge NR_NGAP NR_PUCCH_MultiUE NR_RA_cleanup NR_RA_updates NR_RRCConfiguration_FR2 NR_SA_F1AP_RFSIMULATOR NR_SA_F1AP_RFSIMULATOR2 NR_SA_F1AP_dev NR_SA_NGAP_RRC NR_SA_NGAP_RRC_wk42 NR_SA_itti_sim_wk48 NR_SA_itti_sim_wk48_hs NR_SA_itti_sim_wk48_hs1 NR_SCHED_HARQ NR_SCHED_PDCCH_PUCCH_HARQ NR_SCHED_PDCCH_PUCCH_HARQ_rebased NR_SCHED_fixes NR_SRB_Config NR_UE_MAC_scheduler NR_UE_RA_fixes NR_UE_UL_DCI_improvements NR_UE_dlsch_bugfix NR_UE_enable_parallelization NR_UE_stability_fixes NR_UL_scheduler NR_UL_scheduler_rebased NR_Wireshark NR_beam_simulation NR_mac_uci_functions_rework NR_scheduling_CSIRS NR_scheduling_request NR_scheduling_request2 NR_scheduling_request3 PUSCH_TA_update RA_CI_test UE_DL_DCI_hotfix bch-fixes-bitmap benetel_driver_uldl_pf_merge benetel_driver_update benetel_phase_rotation bugfix-nr-bands bugfix-nr-ldpc-post-processing bugfix-nr-ldpc-size-typo bugfix-nr-pdcp-sn-size bugfix-nr-rate-matching-assertion bugfix-x2-SgNBAdditionRequest bupt-sa-merge cce_indexing_fix cce_indexing_fix2 ci-deploy-asterix ci-deploy-docker-compose ci-test ci-ul-iperf-from-trf-container cleanup_softmodem_main constant_power develop-SA-RA develop-SnT develop-oriecpriupdates develop-sib1 develop-sib1-local develop-sib1-lts develop-sib1-update develop-sib1-update-test1 develop-sib1-update-ue develop_stable dfts_alternatives dlsch_parallel dongzhanyi-zte-develop2 feature/make-s1-mme-port-configurable feature/make-s1-mme-port-configurable-with-astyle-fixes finalize-oaicn-integration fix-ci-tun fix-itti-segv fix_NR_DLUL_PF fix_do_ra_data fix_pdsch_low_prb fix_rrc_x2_ticking fixes-CE-RLC-PDU-size fixes-mac-sched-nfapi fixes-mac-sched-tun fixes-tun flexran-apps flexran-repair-mme-mgmt fujitsu_lte_contribution fujitsu_lte_contribution-128 gnb-only-test harq-hotfix hotfix-minor-remove-nr-rlc-cppcheck-error hotfix-nr-rlc-tick integration_2020_wk40 integration_2020_wk41 integration_2020_wk42_2 integration_2020_wk45 integration_2020_wk45_2 integration_2020_wk46 integration_2020_wk46_2 integration_2020_wk47 integration_2020_wk48 integration_2020_wk48_2 integration_2020_wk49 integration_2020_wk50 integration_2020_wk50_1 integration_2020_wk51 integration_2020_wk51_2 integration_2021_wk02 integration_2021_wk02_wMR988 integration_2021_wk04 integration_2021_wk05 inter-RRU-final itti-enhancement ldpc_short_codeword_fixes load_gnb lte-ulsch-bugfix lte_uplink_improvement mac-fixes-wk45_2 minor-fix-doc-basic-sim mosaic5g-oai-ran mosaic5g-oai-sim nasmesh_kernel_5.8 new-gtpu nfapi_nr_develop ngap-dlul ngap-w48-merge2 ngap-wf ngap-wf-1120 ngap-wf-1120-srb ngap-wf-1120-srb-gtp ngap-wf-1120-srb-gtp-hs ngap-wf-1120-srb-gtp-hs1 ngap-wf-1120-srb-gtp-hs2 ngap-wf-1120-srb-gtp-yhz ngap-wf-1203-yunsdr ngap-wf-liuyu ngap_lfq_1120 ngap_merge noCore nr-mac-pdu-wireshark nr-mac-remove-ue-list nr-rlc-am-bugfix-w44 nr-rlc-bugfix-w44 nrUE nrUE-hs nrUE-upper-layer nr_bsr nr_dl_dmrs_type2 nr_dl_pf nr_dl_pf2 nr_dl_ul_ptrs nr_fdd_if_fix nr_prach_fr2 nr_ue_msg3 nr_ue_tti_cleanup nr_ul_pf nr_ul_scfdma nsa-ue nsa_remove_band_hardcodings oai-sim oairu oairu-dockerfile-support oc-docker-october-improvements openxg/develop ptrs_rrc_config pusch-mthread-scaling-fix pusch-retrans-fix-ue ra-dl-ul remove_nos1_hack_pdcp remove_x2_gnb_hardcoding repair-TA revert_memcpy rh-ci-add-ue-parallelization rh_ci_fix_autoterminate rh_ci_fr1_update rh_ci_py rh_ci_ra_fr2 rh_ci_rfsim_ra rh_ci_ue_parallel rh_fr1_newjenkins rh_fr1_update rh_gnb_compile_fix rh_wk50_debug rlc-v2-bugfix-status-reporting rlc-v2-tick rrc-enb-phy-testmode s1-subnormal_rewrite s1_subnormal s1_subnormal-robert s1ap-bugfix-rab_setup sa-demo sa-merge-rrc-srb sa-msg4 sa-msg4-rrc sa-msg4-rrc-yihz sa-msg4-rrc-yihz-hs sa_rrc_yihz small-bugfixes-w40 small-config-change testing_with_external_txdata ue-fixes ue_beam_selection ul-freq-iq-samps-to-file ul_dl_dci_same_slot ulsch_decode_mthread ulsim_changes wireshark-T-hack-ueid wireshark-log-scheduling-requests x2-endc-processing xiangwab xiangwan yihongzheng_srb 2021.w04 2021.w02 2020.w51_2 2020.w51 2020.w50 2020.w49 2020.w48_2 2020.w48 2020.w47 2020.w46_2 2020.w46 2020.w45_2 2020.w45 2020.w44 2020.w42_2 2020.w42 2020.w41 2020.w39 2020.w38 2020.w37 benetel_phase_rotation
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......@@ -672,8 +672,8 @@ void nr_pusch_phase_estimation(NR_DL_FRAME_PARMS *frame_parms,
uint16_t re_cnt = 0;
uint16_t cnt = 0;
unsigned short nb_re_pusch = NR_NB_SC_PER_RB * rel15_ul->rb_size;
uint8_t K_ptrs = (rel15_ul->pusch_ptrs.ptrs_freq_density)?4:2;
uint16_t sc_per_symbol = rel15_ul->rb_size/K_ptrs;
uint8_t K_ptrs = rel15_ul->pusch_ptrs.ptrs_freq_density;
uint16_t sc_per_symbol = (rel15_ul->rb_size + K_ptrs - 1)/K_ptrs;
int16_t *ptrs_p = (int16_t *)malloc(sizeof(int32_t)*(sc_per_symbol));
int16_t *dmrs_comp_p = (int16_t *)malloc(sizeof(int32_t)*(sc_per_symbol));
double abs = 0.0;
......@@ -683,7 +683,7 @@ void nr_pusch_phase_estimation(NR_DL_FRAME_PARMS *frame_parms,
double alpha = 0;
#endif
/* generate PTRS RE for the symbol */
nr_ptrs_rx_gen(ptrs_gold_seq[Ns][symbol],rel15_ul->rb_size,ptrs_p);
nr_gen_ref_conj_symbols(ptrs_gold_seq[Ns][symbol],sc_per_symbol*2,ptrs_p, NR_MOD_TABLE_QPSK_OFFSET,2);// 2 for QPSK
/* loop over all sub carriers to get compensated RE on ptrs symbols*/
for (int re = 0; re < nb_re_pusch; re++)
......
......@@ -230,12 +230,9 @@ int nr_pbch_dmrs_rx(int symbol,
\param length is number of RE in a OFDM symbol
\param *output pointer to all ptrs RE in a OFDM symbol
*/
void nr_ptrs_rx_gen(uint32_t *in, uint32_t length, int16_t *output)
void nr_gen_ref_conj_symbols(uint32_t *in, uint32_t length, int16_t *output, uint16_t offset, int mod_order)
{
uint16_t offset;
uint8_t idx, b_idx;
int mod_order = 2;
offset = NR_MOD_TABLE_QPSK_OFFSET;
for (int i=0; i<length/mod_order; i++)
{
idx = 0;
......
......@@ -52,7 +52,7 @@ int nr_pusch_dmrs_rx(PHY_VARS_gNB *gNB,
uint8_t dmrs_type);
void init_scrambling_luts(void);
void nr_ptrs_rx_gen(uint32_t *in, uint32_t length, int16_t *output);
void nr_gen_ref_conj_symbols(uint32_t *in, uint32_t length, int16_t *output, uint16_t offset, int mod_order);
uint8_t get_next_dmrs_symbol_in_slot(uint16_t ul_dmrs_symb_pos, uint8_t counter, uint8_t end_symbol);
uint8_t get_dmrs_symbols_in_slot(uint16_t l_prime_mask, uint16_t nb_symb);
......
......@@ -281,7 +281,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
if (harq_process_ul_ue->pusch_pdu.pdu_bit_map & PUSCH_PDU_BITMAP_PUSCH_PTRS) {
K_ptrs = (harq_process_ul_ue->pusch_pdu.pusch_ptrs.ptrs_freq_density)?4:2;
K_ptrs = harq_process_ul_ue->pusch_pdu.pusch_ptrs.ptrs_freq_density;
L_ptrs = 1<<harq_process_ul_ue->pusch_pdu.pusch_ptrs.ptrs_time_density;
beta_ptrs = 1; // temp value until power control is implemented
......
......@@ -149,7 +149,8 @@ int main(int argc, char **argv)
UE_nr_rxtx_proc_t UE_proc;
FILE *scg_fd=NULL;
int enable_ptrs = 0;
int ptrs_arg[2] = {-1,-1};
int ibwps=24;
int ibwp_rboffset=41;
if ( load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY) == 0 ) {
......@@ -159,7 +160,7 @@ int main(int argc, char **argv)
//logInit();
randominit(0);
while ((c = getopt(argc, argv, "a:b:c:d:ef:g:h:i:j:kl:m:n:p:r:s:y:z:F:M:N:PR:S:L:")) != -1) {
while ((c = getopt(argc, argv, "a:b:c:d:ef:g:h:i:j:kl:m:n:p:r:s:y:z:F:M:N:PR:S:T:L:")) != -1) {
printf("handling optarg %c\n",c);
switch (c) {
......@@ -345,6 +346,15 @@ int main(int argc, char **argv)
case 'L':
loglvl = atoi(optarg);
break;
case 'T':
enable_ptrs=1;
int i = 0;
for(; optind < argc; optind++){
ptrs_arg[i] = atoi(argv[optind]);
i++;
}
break;
default:
case 'h':
......@@ -374,6 +384,7 @@ int main(int argc, char **argv)
printf("-R N_RB_DL\n");
printf("-S Ending SNR, runs from SNR0 to SNR1\n");
printf("-P Print ULSCH performances\n");
printf("-T Enable PTRS, arguments list L_PTRS{0,1,2} K_PTRS{2,4}, e.g. -T 2 0 2 \n");
exit(-1);
break;
......@@ -565,6 +576,21 @@ int main(int argc, char **argv)
double ts = 1.0/(frame_parms->subcarrier_spacing * frame_parms->ofdm_symbol_size);
number_dmrs_symbols = get_dmrs_symbols_in_slot(l_prime_mask, nb_symb_sch);
/* -T option enable PTRS */
if(enable_ptrs)
{
/* validate parameters othwerwise default values are used */
if(ptrs_arg[0] == 0 || ptrs_arg[0] == 1 || ptrs_arg[0] == 2 )
{
ptrs_time_density = ptrs_arg[0];
}
if(ptrs_arg[1] == 2 || ptrs_arg[1] == 4 )
{
ptrs_freq_density = ptrs_arg[1];
}
pdu_bit_map |= PUSCH_PDU_BITMAP_PUSCH_PTRS;
printf("PTRS Enabled with L %d, K %d \n",ptrs_time_density, ptrs_freq_density );
}
if(1<<ptrs_time_density >= nb_symb_sch)
pdu_bit_map &= ~PUSCH_PDU_BITMAP_PUSCH_PTRS; // disable PUSCH PTRS
......@@ -849,7 +875,7 @@ int main(int argc, char **argv)
ptrs_symbols += ((gNB->pusch_vars[UE_id]->ptrs_symbols) >> i) & 1;
}
/* 2*5*(50/2), for RB = 50,K = 2 for 5 OFDM PTRS symbols */
available_bits = available_bits - (2 * ptrs_symbols * (nb_rb/((ptrs_freq_density)?4:2)));
available_bits -= 2 * ptrs_symbols * ((pusch_pdu->rb_size + ptrs_freq_density - 1) /ptrs_freq_density);
printf("After PTRS subtraction available_bits are : %d \n", available_bits);
}
......
......@@ -1875,9 +1875,9 @@ uint8_t get_K_ptrs(uint16_t nrb0, uint16_t nrb1, uint16_t N_RB) {
LOG_I(PHY,"PUSH PT-RS is not present.\n");
return -1;
} else if (N_RB >= nrb0 && N_RB < nrb1)
return 0;
return 2;
else
return 1;
return 4;
}
uint16_t nr_dci_size(NR_ServingCellConfigCommon_t *scc,
......
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